Viking is a free/open source program to manage GPS data. You can import, plot and create tracks, routes and waypoints, show OSM, Terraserver, Bing Aerial and other maps, geotag images, see real-time GPS position, get geocaches, control items, etc. It is written in C & the GTK+2 toolkit.

Archimedes will be a Computer Aided Design (CAD) program developed side by side with architecture offices in order to fulfill all their needs.
This way, we hope to develop software better suited for architects than the currently widely used AutoCAD.

EasyBMP is an easy cross-platform C++ library for reading and writing Windows bitmap BMP files. No installation, no need for external libraries, small size, well-documented, and simple enough for the novice programmer to start in just minutes!

NOC is a open source development toolkit and a powerful molecular explorer for protein structure visualizing,analysis,crystallographic mapping, modeling, and refinement, Gromacs/Amber MD trajectories displaying,movie making...

The SourceForge OpenRasMol project is an adjunct to the RasMol and OpenrasMol project at http://rasmol.org. It is hoped that the SourceForge OpenRasMol project will provide a convenient focal point for active collaborative contributions.

QLumEdit is an ultimate open-source Eulumdat file editor. You can create new files from templates, edit existing files, validate large number of Eulumdat files by simple click and export all data to HTML/PNG.

Bayesian Network tools in Java (BNJ) is an open-source suite of software tools for research and development using graphical models of probability. It is published by the Kansas State University Laboratory for Knowledge Discovery in Databases (KDD).

Pigale is a graph editor and a C++ algorithm library essentially concerned with planar graphs. This software, particularly intended for graph theoretical research, includes new algorithms based on our recent theoretical researches.

A command line tool for generating timing diagrams from ASCII input files. The input files use a structured language to represent signal state transitions and interdependencies. Raster image output support is provided by ImageMagick.

gorbital is a atomic orbital viewer written using gtkmm (gtk--). gorbital displays a 3d interactive view of a electron orbitals. It is meant to be an open source viewer much like Orbital Viewer by David Manthey (http://www.orbitals.com/orb/).